[XFS] Allow initial XFS delayed allocation size to be increased beyond 64KB.
SGI Modid: xfs-linux:xfs-kern:22261a
Signed-off-by: Nathan Scott <nathans@sgi.com>
Signed-off-by: Christoph Hellwig <hch@sgi.com>
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index 5fc6201..1b96847 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -428,10 +428,10 @@
#define XFS_WRITEIO_LOG_LARGE 16
/*
- * Max and min values for UIO and mount-option defined I/O sizes;
- * min value can't be less than a page. Currently unused.
+ * Max and min values for mount-option defined I/O
+ * preallocation sizes.
*/
-#define XFS_MAX_IO_LOG 16 /* 64K */
+#define XFS_MAX_IO_LOG 30 /* 1G */
#define XFS_MIN_IO_LOG PAGE_SHIFT
/*